Acoustics – Diaphragm – Microphone type
Patent
1999-08-09
2000-08-29
Dang, Khanh
Acoustics
Diaphragm
Microphone type
60299, 422180, 50252719, F01N 128, F01N 328
Patent
active
061093866
ABSTRACT:
A honeycomb body that including wound sheet-metal layers including structured sheet-metal layers with structuring. The wound sheet-metal layers form an upper side, a lower side disposed remote from the upper side, a first edge region and a second edge region laterally extending from the upper side to the lower side. The second edge region is disposed remote from the first edge region. The wound sheet-metal layers are fixed in a common fixing zone at the first edge region. The structuring of the structured sheet-metal layers is at least partially flattened at the fixing zone so that adjacent wound sheet-metal layers lie close against each other at the common fixing zone. The wound sheet-metal layers preferably form a region with a flattened cross-sectional area. A muffler of an exhaust gas system of an internal combustion engine that includes the honeycomb body is also provided. In addition, a two-region housing that includes the honeycomb body is provided. Finally, a process for producing the honeycomb body is provided.
REFERENCES:
patent: 3597165 (1971-08-01), Keith et al.
patent: 5055274 (1991-10-01), Abbott
patent: 5113653 (1992-05-01), Usui et al.
patent: 5338903 (1994-08-01), Winberg
International Patent Application WO 93/20339 (Bruck), dated Oct. 14, 1993.
German Utility Model G 85 21 814.6, dated Mar. 23, 1989, metallic wound catalytic converter support body with a geometrically complex cross-section.
German Utility Model DE 296 11 143.0, dated Oct. 24, 1996, conical honeycomb body with longitudinal structures.
Bruck Rolf
Maus Wolfgang
Dang Khanh
Emitec Gesellschaft fuer Emissions-technologie mbH
Greenberg Laurence A.
Lerner Herbert L.
Stemer Werner H.
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